.koros-catalog-app, .koros-catalog-app * { box-sizing: border-box; }
.koros-catalog-app {
  display: grid;
  grid-template-columns: 340px minmax(0, 1fr);
  width: 100%;
  min-height: 760px;
  overflow: hidden;
  border: 1px solid #c6cbd2;
  background: #fff;
  color: #111;
  font-family: Arial, Helvetica, sans-serif;
}
.koros-search-pane { max-height: 760px; overflow-y: auto; padding: 18px; background: #f7f8fa; border-right: 1px solid #c6cbd2; }
.koros-search-pane h2 { margin: 0 0 14px; color: #173b67; font-size: 22px; }
.koros-search-form { position: sticky; top: 0; z-index: 2; display: flex; gap: 7px; padding-bottom: 12px; background: #f7f8fa; }
.koros-search-input { min-width: 0; flex: 1; padding: 10px; border: 1px solid #8d98a5; border-radius: 4px; font-size: 15px; }
.koros-search-form button { padding: 10px 13px; border: 0; border-radius: 4px; background: #255a98; color: #fff; cursor: pointer; }
.koros-status { margin: 4px 0 12px; font-size: 14px; }
.koros-result { margin: 10px 0; padding: 10px; border: 1px solid #d8dce1; border-radius: 5px; background: #fff; }
.koros-result-heading { display: flex; justify-content: space-between; gap: 8px; }
.koros-result p { margin: 7px 0 0; line-height: 1.35; }
.koros-result.combination-hit { color: #888; }
.koros-page-number, .koros-page-number:visited { flex: 0 0 auto; color: #0667c9 !important; text-decoration: underline; }
.koros-viewer-pane { position: relative; min-width: 0; min-height: 760px; background: #555; }
.koros-pdf-viewer { width: 100%; height: 760px; border: 0; background: #fff; }
.koros-viewer-message { position: absolute; inset: 0; z-index: 1; display: grid; place-items: center; padding: 30px; background: #555; color: #fff; text-align: center; }
.koros-viewer-message[hidden] { display: none; }
@media (max-width: 780px) {
  .koros-catalog-app { grid-template-columns: 1fr; min-height: 0; }
  .koros-search-pane { max-height: 430px; border-right: 0; border-bottom: 1px solid #c6cbd2; }
  .koros-viewer-pane, .koros-pdf-viewer { min-height: 620px; height: 620px; }
}